Patent Assignment
Reel/Frame 063281/0929
Change of Name
Recorded: 2023-04-10
Pages: 4
Assignor
ETAGEN, INC.
Executed: 2020-01-07
Assignee
MAINSPRING ENERGY, INC.
3601 HAVEN AVENUE, MENLO PARK, CALIFORNIA, 94025
Covered Property
(1)
Auto-Braking for an Electromagnetic Machine
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 10, 2023
From: DA COSTA, ANTHONY; ROELLE, MATTHEW; POWERS, JOHN; GORZELIC, PATRICK
To: ETAGEN, INC.
Reel/Frame 063275/0298 →
Security Interest
Jun 6, 2025
From: MAINSPRING ENERGY, INC.
To: AVENUE VENTURE OPPORTUNITIES FUND II, L.P., AS AGENT
Reel/Frame 071499/0428 →